Electricity Live

Great Britain’s electricity on Thursday 1 May 2025

On Thursday 1 May, demand averaged 28.7 GW. Renewables supplied 30%.

28.7GW AVERAGEWind4.87 GW16%Hydro0.15 GW0%Biomass2.94 GW10%Solar4.04 GW13%Gas9.74 GW32%Imports5.34 GW18%Nuclear3.19 GW11%28.7GW AVERAGE16%10%13%32%18%11%
Price
£77.65/MWh
Day average £77.65
Demand28.7GW
Generation 24.9Transfers 3.8
Fossil fuels32%
Renewables30%
Other38%
Carbon intensityHigh
160g/kWh
0Day average 160300
Save as image
Recorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hourRecorded half-hour

Key moments

On Thursday 1 May 2025, gas supplied 32% of Great Britain’s electricity and wind 16%. Demand peaked at 34.5 GW at 13:45. Carbon intensity averaged 160 g/kWh and the price £77.65/MWh. Wind generation peaked at 7.9 GW at 23:25. Solar generation peaked at 12.5 GW at 12:30. Carbon intensity was lowest at 13:30 (91 g/kWh) and highest at 20:00 (208 g/kWh). The wholesale price ranged from £57.08/MWh at 16:00 to £101.03/MWh at 07:00. Gas made 39% of the electricity generated in Great Britain, compared with 32% across 2025.

Charts

Generation, demand, price and carbon

Generation by sourceGW · daily average below
Solar 4.0413.3%Wind 4.8716.1%Gas 9.7432.2%Hydro 0.150.5%Biomass 2.949.7%Nuclear 3.1910.5%
Price£/MWh
Carbon intensitygCO₂/kWh
Demand and generationGW
Demand 28.7avgGeneration 24.9avgTransfers 3.8avg
The day in figurespeaks, averages, totals
Peak demand34.5GW · 13:45
Low 21.0 · 04:30Avg 28.70–40 GW
Made in Great Britain87%of demand
Generation 24.9Transfers 3.8 GW
Net imports91GWh
In
127 Out
36
Zero-carbon share49%of generation
Nuclear 13%Hydro 1%Wind 20%Solar 16%

Transfers · Thu 1 May

Interconnectors and storage

On Thursday 1 May 2025, Great Britain imported 127 GWh and exported 36 GWh through its interconnectors. The most came from France (60 GWh), and the most exports went to Ireland (23 GWh).

All interconnectors

Thu 1 May
Imported
127GWh
Exported
36GWh
Net in
91GWh
Average net flow
3.79GW in

Into Great BritainOut of Great Britain

Belgium

Nemo Link

Average0.22GWImporting

In 10.8 GWhOut 5.6 GWh

Denmark

Viking Link

Average0.38GWImporting

In 11.6 GWhOut 2.3 GWh

France

IFA · IFA2 · ElecLink

Average2.50GWImporting

In 60.1 GWhOut 0.0 GWh

Ireland

Moyle · East–West · Greenlink

Average0.96GWExporting

In 0.0 GWhOut 23.0 GWh

Netherlands

BritNed

Average0.24GWImporting

In 11.0 GWhOut 5.2 GWh

Norway

North Sea Link

Average1.40GWImporting

In 33.5 GWhOut 0.0 GWh

Pumped storage

Dinorwig · Cruachan · Ffestiniog · Foyers

Average0.01GWGenerating

Generated 1.3 GWhPumped 1.1 GWh

All cards share one scale, so you can compare their heights. Each country can have more than one cable.

Download the 5-minute data for this day: CSV · JSON. See what the figures mean.